diff --git a/README.md b/README.md
index 2edacaee..e8eafd6f 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Add to your composer.json file by hand.
     ...
     "require": {
         ...
-        "bitpay/php-client": "^2.2"
+        "bitpay/php-client": "^3.0"
     }
     ...
 }